<!DOCTYPE html>
<html lang='en'>

<head>
    <meta charset='UTF-8'>
    <meta http-equiv='X-UA-Compatible' content='IE=edge'>
    <meta name='viewport' content='width=device-width, initial-scale=1.0'>
    <title>Document</title>
    <script src='../../vue.js'></script>
</head>

<body>
    <div id='app'>
        <input type="text" v-model="search">
        <ul>
            <li v-for="item in newPerson" :key="item.id">
                {{item.name}}--{{item.age}}
            </li>
        </ul>
    </div>
    <script>
        Vue.config.productionTip = false;
        const vm = new Vue({
            el: '#app',
            data() {
                return {
                    search: "",
                    person: [
                        { id: "001", name: "laowang", age: 18 },
                        { id: "002", name: "xiaowang", age: 12 },
                        { id: "003", name: "dawang", age: 33 },
                        { id: "004", name: "xiaohuang", age: 6 },
                    ],
                }
            },
            computed:{
                newPerson(){
                    return this.person.filter((item)=>{
                        return item.name.includes(this.search)
                    })
                }
            }
        })
    </script>
</body>

</html>